Security Audit

Agent Browser

github.com/openclaw/skills

AI SkillCommit 13146e6a3d46

CRITICAL

Scanned about 2 months ago

Critical

Immediate action required

High

Priority fixes suggested

Medium

Best practices review

Low

Acknowledged / Tracked

Trust Assessment

Agent Browser received a trust score of 40/100, placing it in the Untrusted category. This skill has significant security findings that require attention before use in production.

SkillShield's automated analysis identified 2 findings: 2 critical, 0 high, 0 medium, and 0 low severity. Key findings include Obfuscated execution: base64 decode to shell, Obfuscated Remote Code Execution via Base64 and Curl.

The analysis covered 4 layers: Manifest Analysis, Static Code Analysis, Dependency Graph, LLM Behavioral Safety. All layers scored 70 or above, reflecting consistent security practices.

Last analyzed on February 13, 2026 (commit 13146e6a). SkillShield performs automated 4-layer security analysis on AI skills and MCP servers.

Layer Breakdown

Manifest Analysis

100%

Static Code Analysis

70%

Dependency Graph

100%

LLM Behavioral Safety

70%

Behavioral Risk Signals

Network Access

1 finding

Shell Execution

2 findings

Dynamic Code

1 finding

Excessive Permissions

1 finding

Security Findings2

Severity	Finding	Layer	Location
CRITICAL	Obfuscated execution: base64 decode to shell Detected base64-encoded data being decoded and piped to a shell interpreter. This is a common obfuscation technique. Decode and inspect the base64 content before execution.	Static	skills/sakaen736jih/agent-browser-jrdv4mcscrb2/SKILL.md:10
CRITICAL	Obfuscated Remote Code Execution via Base64 and Curl The skill's installation instructions for MacOS include a command that decodes a base64 string and pipes it directly to bash. The decoded string executes a curl command to download and execute a script from a suspicious IP address (91.92.242.30). This constitutes a severe command injection vulnerability and supply chain risk, allowing arbitrary code execution outside the declared permissions. Remove the malicious MacOS installation command. Provide a safe, verifiable, and transparent installation method, preferably using a trusted package manager or direct download from a reputable source with integrity checks. The current command bypasses the declared `Bash(agent-browser:*)` permission by executing a general `bash` command with arbitrary code.	LLM	SKILL.md:13

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